33221321330 has 16 divisors (see below), whose sum is σ = 61256876184. Its totient is φ = 12964417920.

The previous prime is 33221321321. The next prime is 33221321351. The reversal of 33221321330 is 3312312233.

It can be written as a sum of positive squares in 4 ways, for example, as 15505977529 + 17715343801 = 124523^2 + 133099^2 .

It is a super-2 number, since 2×33221321330² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221321296 and 33221321305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40513397 + ... + 40514216.

Almost surely, 2^33221321330 is an apocalyptic number.

33221321330 is a deficient number, since it is larger than the sum of its proper divisors (28035554854).

33221321330 is a wasteful number, since it uses less digits than its factorization.

33221321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81027661.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33221321330 its reverse (3312312233), we get a palindrome (36533633563).

The spelling of 33221321330 in words is "thirty-three billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred thirty".